Abaco - Flash Mental Math
Fast & Easy Mental Math Drill
About
This app offers a comprehensive mental math training experience, allowing users to practice addition, subtraction, multiplication, and division. It features customizable difficulty, speed, and problem types, making it ideal for competition preparation and general brain training.
What's New in Abaco
5.0.21
October 28, 2026
- Bug fixes and accessibility improvements.
Developer apps
FAQ
What is Abaco?
Abaco is a flash mental math training app designed to improve calculation skills. It offers various practice modes for addition, subtraction, multiplication, and division with customizable settings.
What are the practice modes in Abaco?
Abaco features an Addition/Subtraction Mode for step-by-step practice and a Multiplication/Division Mode for systematic mental training. Both modes are designed to prevent negative answers or non-whole number results.
Can I customize the Abaco practice sessions?
Yes, Abaco offers extensive customization. You can adjust the number of digits, number of problems, speed control from 0.1s to 30s, and even set custom theme colors. You can also save and load your favorite settings as presets.
What languages does Abaco support?
Abaco supports over 40 languages, including English, Korean, Japanese, Chinese, Spanish, German, and French, with an intuitive interface designed for all users.
Is Abaco suitable for competition preparation?
Yes, Abaco is ideal for mental math competition prep. Its design is optimized for flash training, similar to abacus competition programs, and it includes a difficulty adjustment algorithm to keep challenges relevant.
What is the price of Abaco?
Abaco is a paid app priced at $2.99. There are no in-app purchases or subscriptions mentioned.
Does Abaco have ads?
No, Abaco is ad-free. The app does not contain advertisements, and it does not use advertising IDs or personalized ads.
On which devices can I use Abaco?
Abaco is available on Mac, iPhone, iPad, and iPod. It is designed for a wide range of Apple devices.
